#include <stdio.h>
int main() {
    float height = 100, sum = 100;
    int i;
    for (i = 2; i <= 10; i++) {
        height /= 2;
        sum += 2 * height;
    }
    printf("第10次落地时共经过:%f 米\n", sum);
    printf("第10次反弹高度:%f 米\n", height / 2);
    return 0;
}